Quotes about logic
page 4

John Tyndall photo
Philip K. Dick photo
Philo photo
Vannevar Bush photo

“Now don't ask me why I said that; it just came out. Somewhere in the recesses of my mind; quite beyond logic. But, there it is.”

Ian Darke (1950) British association football and boxing commentator

2010s, 2014, Voice of the Americans (2014)

Enoch Powell photo
Grady Booch photo
Philip K. Dick photo
John Ralston Saul photo
Paul Krugman photo
Leo Tolstoy photo
Stanley Baldwin photo
Raymond Poincaré photo
Robert Rauschenberg photo
Arthur C. Clarke photo
Theodore Gray photo
John Maynard Keynes photo
Fred Brooks photo
Aron Ra photo
Tristan Tzara photo
Dexter S. Kimball photo
Ernesto Che Guevara photo
Aron Ra photo

“According to a stagist conception of progressive history (which is usually blind to its implicit teleology), the work of figures like Foucault, Derrida and other cutting-edge French theorists is often intuitively affiliated with a form of profound and sophisticated critique that presumably far surpasses anything found in the socialist, Marxist or anarchist traditions. It is certainly true and merits emphasis that the Anglophone reception of French theory, as John McCumber has aptly pointed out, had important political implications as a pole of resistance to the false political neutrality, the safe technicalities of logic and language, or the direct ideological conformism operative in the McCarthy-supported traditions of Anglo-American philosophy. However, the theoretical practices of figures who turned their back on what Cornelius Castoriadis called the tradition of radical critique—meaning anti-capitalist and anti-imperialist resistance—surely contributed to the ideological drift away from transformative politics. According to the spy agency itself, post-Marxist French theory directly contributed to the CIA’s cultural program of coaxing the left toward the right, while discrediting anti-imperialism and anti-capitalism, thereby creating an intellectual environment in which their imperial projects could be pursued unhindered by serious critical scrutiny from the intelligentsia.”

Gabriel Rockhill (1972) philosopher

"The CIA reads French Theory: On the Intellectual Labor of Dismantling the Cultural Left" (2017)

A. James Gregor photo

“Logic is a carpet laid over an abyss.”

O.B. Hardison Jr. (1927–1990)

From Hardison's spy novel "The Last Drop"
Quoted in "Classical, Renaissance, and Postmodern Acts of the Imagination" by Arthur Kinney http://books.google.com/books?id=NpNOU3kJAD0C&pg=PA17&lpg=PA17&source=web&ots=vhkDdUq2Dy&sig=MCZnorjkogp_lJn5rupUacGII5I

Tim Powers photo

“How old are you, Brian? You ought to know by now that something always breaks up love affairs unless both parties are willing to compromise themselves. And that compromising is harder to do the older and less flexible and more independent you are. It just isn’t in you, Brian. You could no more get married now than you could become a priest, or a sculptor, or a greengrocer.”
Duffy opened his mouth to voice angry denials, then one corner turned up and he closed it. “Damn you,” he said wryly. “Then why do I want to, half the time?”
Aurelianus shrugged. “It’s the nature of the species. There’s a part of a man’s mind that can only relax and go to sleep when he’s with a woman, and that part gets tired of always being tensely awake. It gives orders in so loud a voice that it often drowns out the other components. But when the loud one is asleep at last, the others regain control and chart a new course.” He grinned. “No equilibrium is possible. If you don’t want to put up with the constant seesawing, you must either starve the logical components or bind, gag and lock away in a cellar that one insistent one.”
Duffy grimaced and drank some more brandy. “I’m used to the rocking, and I was never one to get motion-sick,” he said. “I’ll stay on the seesaw.”

Aurelianus bowed. “You have that option, sir.”
Source: The Drawing of the Dark (1979), Chapter 18 (p. 247)

Herbert Marcuse photo
Francis Bacon photo
Averroes photo
Kurt Lewin photo
Leonard Nimoy photo
Martin Niemöller photo
Philip K. Dick photo
Fritjof Capra photo
Tad Williams photo

“I’m your apprentice!” Simon protested. “When are you going to teach me something?”
“Idiot boy! What do you think I’m doing? I’m trying to teach you to read and to write. That’s the most important thing. What do you want to learn?”
“Magic!” Simon said immediately. Morgenes stared at him.
“And what about reading…?” the doctor asked ominously.
Simon was cross. As usual, people seemed determined to balk him at every turn. “I don’t know,” he said. What’s so important about reading and letters, anyway? Books are just stories about things. Why should I want to read books?”
Morgenes grinned, an old stoat finding a hole in the henyard fence. “Ah, boy, how can I be mad at you…what a wonderful, charming, perfectly stupid thing to say!” The doctor chuckled appreciatively, deep in his throat.
“What do you mean?” Simon’s eyebrows moved together as he frowned. “Why is it wonderful and stupid?”
“Wonderful because I have such a wonderful answer,” Morgenes laughed. Stupid because…because young people are made stupid, I suppose—as tortoises are made with shells, and wasps with stings—it is their protection against life’s unkindnesses.”
“Begging your pardon?” Simon was totally flummoxed now.
“Books,” Morgenes said grandly, leaning back on his precarious stool, “—books are magic. That is the simple answer. And books are traps as well.”
“Magic? Traps?”
“Books are a form of magic—” the doctor lifted the volume he had just laid on the stack, “—because they span time and distance more surely than any spell or charm. What did so-and-so think about such-and-such two hundred years agone? Can you fly back through the ages and ask him? No—or at least, probably not.
But, ah! If he wrote down his thoughts, if somewhere there exists a scroll, or a book of his logical discourses…he speaks to you! Across centuries! And if you wish to visit far Nascadu or lost Khandia, you have also but to open a book….”
“Yes, yes, I suppose I understand all that.” Simon did not try to hide his disappointment. This was not what he had meant by the word “magic.” “What about traps, then? Why ‘traps’?”

Tad Williams (1957) novelist

Morgenes leaned forward, waggling the leather-bound volume under Simon’s nose. “A piece of writing is a trap,” he said cheerily, “and the best kind. A book, you see, is the only kind of trap that keeps its captive—which is knowledge—alive forever. The more books you have,” the doctor waved an all-encompassing hand about the room, “the more traps, then the better chance of capturing some particular, elusive, shining beast—one that might otherwise die unseen.”
Source: Memory, Sorrow, and Thorn, The Dragonbone Chair (1988), Chapter 7, “The Conqueror Star” (pp. 92-93).

Rollo May photo
Marston Morse photo

“Discovery in mathematics is not a matter of logic. It is rather the result of mysterious powers which no one understands, and in which unconscious recognition of beauty must play an important part. Out of an infinity of designs, a mathematician chooses one pattern for beauty's sake and pulls it down to earth.”

Marston Morse (1892–1977) American mathematician

Attributed in Princeton & Mathematics: A Notable Record, Chaplin, Virginia, Princeton Alumni Weekly, May 9, 1958 http://www.princeton.edu/~mudd/finding_aids/mathoral/pmcxpaw.htm,

Northrop Frye photo

“Nothing is more remarkable in the Bible than the absence of argument…Argument is internal continuity. So is logical sequence in narrative: in the Bible the connectives are just "and."”

Northrop Frye (1912–1991) Canadian literary critic and literary theorist

Source: "Quotes", Notebooks and Lectures on the Bible and Other Religious Texts (2003), p. 200

Robert Benchley photo
Prasanta Chandra Mahalanobis photo

“Because demography is concerned with human affairs and human populatlons it is possible, in principle, to consider demography as a sub-field of many other subjects. It provided the scope of any particular subject-field like anthropology, genetics, ecology, economics, sociology, etc., and is defined in a sufficiently comprehensive manner. While not denying the possibility of considering demography as a sub-field of one or another subject, at least for certain special purposes, it is suggested that demography should be logically viewed as the totality of convergent and inter-related factors and topics which (although these could be, spearately, the concern of many difl'erent subjects like genetics and anthropology, sociology, education, psychology. economics, social and political affairs etc.) jointly, together with their mutual inter-actions, form the determinants as well as the consequences of growth (or decline), changes in composition, territorial movements, and social mobility of population in different geographical regions or in the world as a whole, at any given period of time, or over difl'erent periods of time. Such a view would supply an aggregative, inter-related, and mutually interacting system of all those factors which have any influence over, or are influenced by, demographic or population changes over space and time.”

Prasanta Chandra Mahalanobis (1893–1972) Indian scientist

Quote, Professor P.C. Mahalanobis and the Development of Population Statistics in lndia

Rosa Luxemburg photo
T. E. Lawrence photo
Nassim Nicholas Taleb photo
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Septimius Severus photo

“Let no one charge us with capricious inconsistency in our actions against Albinus, and let no one think that I am disloyal to this alleged friend or lacking in feeling toward him. 2. We gave this man everything, even a share of the established empire, a thing which a man would hardly do for his own brother. Indeed, I bestowed upon him that which you entrusted to me alone. Surely Albinus has shown little gratitude for the many benefits I have lavished upon him. 3. Now |87 he is collecting an army to take up arms against us, scornful of your valor and indifferent to his pledge of good faith to me, wishing in his insatiable greed to seize at the risk of disaster that which he has already received in part without war and without bloodshed, showing no respect for the gods by whom he has often sworn, and counting as worthless the labors you performed on our joint behalf with such courage and devotion to duty. 4. In what you accomplished, he also had a share, and he would have had an even greater share of the honor you gained for us both if he had only kept his word. For, just as it is unfair to initiate wrong actions, so also it is cowardly to make no defense against unjust treatment. Now when we took the field against Niger, we had reasons for our hostility, not entirely logical, perhaps, but inevitable. We did not hate him because he had seized the empire after it was already ours, but rather each one of us, motivated by an equal desire for glory, sought the empire for himself alone, when it was still in dispute and lay prostrate before all. 5. But Albinus has violated his pledges and broken his oaths, and although he received from me that which a man normally gives only to his son, he has chosen to be hostile rather than friendly and belligerent instead of peaceful. And just as we were generous to him previously and showered fame and honor upon him, so let us now punish him with our arms for his treachery and cowardice. 6. His army, small and island-bred, will not stand against your might. For you, who by your valor and readiness to act on your own behalf have been victorious in many battles and have gained control of the entire East, how can you fail to emerge victorious with the greatest of ease when you have so large a number of allies and when virtually the entire army is here. Whereas they, by contrast, are few in number and lack a brave and competent general to lead them. 7. Who does not know Albinus' effeminate nature? Who does not know that his way |88 of life has prepared him more for the chorus than for the battlefield? Let us therefore go forth against him with confidence, relying on our customary zeal and valor, with the gods as our allies, gods against whom he has acted impiously in breaking his oaths, and let us be mindful of the victories we have won, victories which that man ridicules.”

Septimius Severus (145–211) Emperor of Ancient Rome

Herodian, Book 3, Chapter 6.

Piet Mondrian photo
August-Wilhelm Scheer photo

“The creation and implementation of integrated information systems involves a variety of collaborators including people from specialist departments, informatics, external advisers and manufacturers. They need clear rules and limits within which they can process their individual sub-tasks, in order to ensure the logical consistency of the entire project. Therefore, an architecture needs to be established to determine the components that make up the information system and the methods to be used to describe it. The ARIS architecture developed in this book is described in concrete terms as an information model within the entity-relationship approach. This information model provides the basis for the systematic and rational application of methods in the development of information systems. It also serves as the basis for a repository in which the enterprise's application - specific data, organization and function models can be stored. The ARIS architecture constitutes a framework in which integrated applications systems can be developed, optimized and converted into EDP - technical implementations. At the same time, it demonstrates how business economics can examine and analyze information systems in order to translate their contents into EDP-suitable form.”

August-Wilhelm Scheer (1941) German business theorist

August-Wilhelm Scheer, I. Cameron (1992) Architecture of integrated information systems: foundations of enterprise modelling. Abstract.

Ilana Mercer photo
Friedrich Stadler photo
Robert A. Heinlein photo

“One can’t expect logic from males; they think with their testicles and act from their emotions.”

Source: The Number of the Beast (1980), Chapter XXXIX : Random Numbers, p. 385

John S. Bell photo
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“Thud. My eyes are open. It is four-thirty in the morning, one morning, and my dry eyes click in their sockets, awake before the birds. There is no light. The eye strains for logic, some play of form. I have been dreaming of wind. The tree outside my window stands silent. I listen to the breathing of the man lying beside me. I know where I am. I am awake. I am alive. Am I tethered to earth only by this fragile breath? A strawful of breath at best. Yet this is the breath that patients beg, their hands gripping the edges of mattresses; this is the breath that wrestles trees, that brings down all the leaves in the Third Act. We know where the car is parked. We know, word-for-word, the texts of plays. We have spoken, in proximity to one another, over years, sentences, hundreds of thousands of sentences—bright, grave, fallible, comic, perishable—perhaps eternal? I don’t know. Where does the wind go? When will the light come? We will have hotcakes for breakfast. How can I protect this...? My church teaches me I cannot. And I believe it. I turn the pillow to its cool side. Then rage fills me, against the cubist necessity of having to arrange myself comically against orthodoxy, against having to wonder if I will offend, against theology that devises that my feeling for him, more than for myself, is a vanity. My brown paradox: The church that taught me to understand love, the church that taught me well to believe love breathes—also tells me it is not love I feel, at four in the morning, in the dark, even before the birds cry. Of every hue and caste am I.”

Richard Rodríguez (1944) American journalist and essayist

Brown : The Last Discovery of America (2003)

Bill McKibben photo

“The logic of divestment couldn't be simpler: if it's wrong to wreck the climate, it's wrong to profit from that wreckage.”

Bill McKibben (1960) American environmentalist and writer

"The case for fossil-fuel divestment" https://www.rollingstone.com/politics/news/the-case-for-fossil-fuel-divestment-20130222, 22 February 2013.
Other Bill McKibben Quotes
Variant: If it is wrong to wreck the planet, then it is wrong to profit from that wreckage.

“Ever since the Industrial Revolution, Western society has benefited from science, logic, and reductionism over intuition and holism. Psychologically and politically we would much rather assume that the cause of a problem is “out there,” rather than “in here.” It’s almost irresistible to blame something or someone else, to shift responsibility away from ourselves, and to look for the control knob, the product, the pill, the technical fix that will make a problem go away.
Serious problems have been solved by focusing on external agents — preventing smallpox, increasing food production, moving large weights and many people rapidly over long distances. Because they are embedded in larger systems, however, some of our “solutions” have created further problems. And some problems, those most rooted in the internal structure of complex systems, the real messes, have refused to go away.
Hunger, poverty, environmental degradation, economic instability, unemployment, chronic disease, drug addiction, and war, for example, persist in spite of the analytical ability and technical brilliance that have been directed toward eradicating them. No one deliberately creates those problems, no one wants them to persist, but they persist nonetheless.
That is because they are intrinsically systems problems-undesirable behaviors characteristic of the system structures that produce them. They will yield only as we reclaim our intuition, stop casting blame, see the system as the source of its own problems, and find the courage and wisdom to restructure it.”

Donella Meadows (1941–2001) American environmental scientist, teacher, and writer

Pages 3-4.
Thinking in systems: A Primer (2008)

“Artists are mystics rather than rationalists. They leap to conclusions that logic cannot reach.”

Sol LeWitt (1928–2007) American artist

0-9 (New York), 1969, and Art-Language (England), May 1969
Quotes of Sol Lewitt

Ted Nugent photo

“With all due respect, many in the entertainment industry are deep into mind-altering substance abuse, and when one’s logic and intellectual calculating powers are replaced with dopey feel-good, fantasy-driven denial, the democratic party serves them well.”

Ted Nugent (1948) American rock musician

On why entertainment celebrities tend to favor the Democratic Party, as quoted in "Ted Nugent blasts Matt Damon on Palin" in The Christian Science Monitor (18 September 2008) http://features.csmonitor.com/politics/2008/09/16/ted-nugent-blasts-matt-damon-on-palin/

John Maynard Keynes photo

“Logic, like lyrical poetry, is no employment for the middle-aged”

John Maynard Keynes (1883–1946) British economist

Source: Essays In Biography (1933), F. P. Ramsey, p. 296
Originally published in The Economic Journal, March 1930. and The New Statesman and Nation, October 3, 1931

R. A. Lafferty photo
N. K. Jemisin photo

“There is no logic to grief.”

Source: The Hundred Thousand Kingdoms (2010), Chapter 21 (p. 282)

Lawrence Weiner photo
Gene Amdahl photo

“The term architecture is used here to describe the attributes of a system as seen by the programmer, i. e., the conceptual structure and functional behavior, as distinct from the organization of the data flow and controls, the logical design, and the physical implementation. i. Additional details concerning the architecture”

Gene Amdahl (1922–2015) American physicist

Gene Amdahl, Gerrit Blaauw, and Fred Brooks (1964) " Architecture of the IBM System http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.72.7974&rep=rep1&type=pdf." in: IBM Journal of Research and Development Vol 8 (2) p. 87-101

George W. Bush photo
Arthur C. Clarke photo

“Sanskrit is constructed like geometry and follows a rigorous logic. It is theoretically possible to explain the meaning of the words according to the combined sense of the relative letters, syllables and roots. Sanskrit has no meanings by connotations and consequently does not age. Panini's language is in no way different from that of Hindu scholars conferring in Sanskrit today.”

Pāṇini ancient Sanskrit grammarian

Alain Danielou in: Virtue, Success, Pleasure, and Liberation: The Four Aims of Life in the Tradition of Ancient India https://books.google.co.in/books?id=IMSngEmfdS0C&pg=PA17, Inner Traditions / Bear & Co, 1 August 1993 , p. 17.

George Holmes Howison photo
Clive Staples Lewis photo
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Frank Sinatra photo

“Fear is the enemy of logic.”

Frank Sinatra (1915–1998) American singer and film actor

The Way You Wear Your Hat (1997)

Jacques Bertin photo

“[The special properties of visual perception of data]… is the visual means of resolving logical problems.”

Jacques Bertin (1918–2010) French geographer and cartographer

Source: Graphics and graphic information processing (1981), p. 16 as cited in: Riccardo Mazza (2004) Introduction to Information Visualisation http://www.dti.supsi.ch/~mazza/infovis_introduction.pdf

Jerry Coyne photo
Ray Comfort photo

“Adolf Hitler took Darwin's evolutionary philosophy to its logical conclusions.”

Ray Comfort (1949) New Zealand-born Christian minister and evangelist

The Origin of Species: 150th Anniversary Edition (2009)

Anthony Stewart Head photo

“I suppose I would be a logical choice to play the Doctor just because Giles, my character in Buffy, has the same light and dark sides and quirkiness as Doctor Who.”

Anthony Stewart Head (1954) English actor

Buffy man tops 'next Dr Who' poll http://news.bbc.co.uk/1/hi/entertainment/tv_and_radio/3276905.stm

“My father regarded nationalism, including Zionism, as an evil and although he never attempted to convince me of his views, his logic, here, was inescapable.”

David Goldblatt (1930–2018) South African photographer

In "Some Afrikaners Photographed, 1975 – Some Afrikaners Revisited, 2006" (2006), as quoted in David Goldblatt – Afrikaners Photographed and Revisited (1975-2006) http://www.americansuburbx.com/2010/12/david-goldblatt-some-afrikaners.html, The ASX Team, 28 December 2010

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Manuel Castells photo

“Let me start a different/ analysis by recalling an idea from Max Weber. He characterized cultural modernity as the separation of the substantive reason expressed in religion and metaphysics into three autonomous spheres. They are science, morality and art. These came to be differentiated because the unified world-views of religion and metaphysics fell apart. Since the 18th century, the problems inherited from these older world-views could be arranged so as to fall under specific aspects of validity: truth, normative rightness, authenticity and beauty. They could then be handled as questions of knowledge, or of justice and morality, or of taste. Scientific discourse, theories of morality, Jurisprudence, and the production and criticism of art could in turn be institutionalized. Each domain of culture could be made to correspond to cultural professions in which problems could be dealt with as the concern of special experts. This professionalized treatment of the cultural tradition brings to the fore the intrinsic structures of each of the three dimensions of culture. There appear the structures of cognitive-instrumental, of moral-practical and of aesthetic-expressive rationality, each of these under the control of specialists who seem more adept at being logical in these particular ways than other people are. As a result, the distance grows between the culture of the experts and that of the larger public. What accrues to culture through specialized treatment and reflection does not immediately and necessarily become the property of everyday praxis. With cultural rationalization of this sort, the threat increases that the life-world, whose traditional substance has already been devalued, will become more and more impoverished.”

Manuel Castells (1942) Spanish sociologist (b.1942)

Source: Modernity — An Incomplete Project, 1983, p. 8-9

Alexander Rodchenko photo

“I reduced painting to its logical conclusion and exhibited three canvases: red, blue and yellow. I affirmed: it's all over. Basic colors. Every plane is a plane and there is to be no representation.”

Alexander Rodchenko (1891–1956) Russian artist and photographer

Quote in: 'The Death of Painting'; from the MoMA-website: Interactives: texts https://www.moma.org/interactives/exhibitions/1998/rodchenko/texts/death_of_painting.html
Rodchenko is looking back: in 1921 he executed what were arguably some of the first true monochromes (artworks of one color; source, Wikipedia:Rodchenko)

“Dialectical logic is loyal to the contradictions, not by the reasoning of “on the one hand and the other” but by tracing the contradictions to their fractured source.”

Russell Jacoby (1945) American historian

Source: Social Amnesia: A Critique of Conformist Psychology from Adler to Laing (1975), p. 60